Latitude : 

Latitude is the measurement of distance north or south of the Equator. It is measured with 180 imaginary lines that form circles around Earth east-west, parallel to the Equator. These lines are known as parallels.


Longitude and latitude - Teachoo.png

Longitude is the measurement east or west of the prime meridian. Longitude is measured by imaginary lines that run around Earth vertically (up and down) and meet at the North and South Poles. These lines are known as meridians.

Latitudes and Longitudes

Indian standard time

The time which is applicable all over India is called Indian  Standard Time.

 The Standard Meridian of India is 82°30’E longitude, passing through Mirzapur  in Uttar Pradesh. I t is 5.5 hours ahead of Greenwich Mean Time (GMT). 


Connected with the sea or ships


Someone who represents a king or queen and rules for him or her in another country


The power that a country has to control its own government


The right of a person, an organization, a region, etc. to govern or control his/her/its own affairs


Equator - Teachoo.png

An imaginary line drawn around the middle of the earth that divides it into two equal halves. 

Standard Meridian 

Standard Meridian - Teachoo.png

The longitude of 82° 30'E is considered as the standard meridian of India. The time at the standard meridian is considered as the time for the whole country and is called the Indian Standard Time or IST.

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Davneet Singh's photo - Co-founder, Teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.